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Bigin by Zoho CRM - Pipeline-centric CRM built and priced for small businesses
FullContact Card Reader - Automagically scan biz cards into LinkedIn/Gmail contacts
Pipeliner CRM - Pipeliner CRM empowers small to medium-sized sales teams to close more deals and lower risk. Implementation and training are a breeze. Mac & Windows.
Truecaller - Find a person by a name or phone number worldwide for free using Truecaller.
Zoho CRM - Omnichannel CRM for Businesses of all sizes
Google Contacts - Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented suite of web apps Google Apps.